Latin America was the geographic area had the most population and economic activity during the colonial period. This area is rich in minerals and raw materials in which these were traded by other countries. This has also the most number of nations inside it.
The answer is "wanting to disguise the truth they have uncovered."
Some historians find this tough. One of the reasons would be because not all people may or may not, like the truth. Some historians would omit some part of the truth to keep violent reactions from the readers or outsiders.
Populism rise to promote democratization and to have a government for the people. In Brazil, populism was used by their President Getulio Vargas to be in his place. In Argentina, the government used populism to increase wages but resulted in inflation because of instability to sustain economic reforms to people.
